HOW TO RESTART THE APP
If you are experiencing any problems whatsoever with the application, simple restart the App using the multi-function or menu button to close the app.
Apple Devices - Double click on the multi-function button at the bottom of the device. Find the App and swipe upwards to close it. Click on the icon to restart.
Android Devices - Click on the menu to view all open files. Select the App and click the X to close it.